CN220337064U - Pump body of vertical single-screw pump - Google Patents
Pump body of vertical single-screw pump Download PDFInfo
- Publication number
- CN220337064U CN220337064U CN202322003610.4U CN202322003610U CN220337064U CN 220337064 U CN220337064 U CN 220337064U CN 202322003610 U CN202322003610 U CN 202322003610U CN 220337064 U CN220337064 U CN 220337064U
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- China
- Prior art keywords
- pump body
- middle pipe
- close
- universal joint
- lower pump
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- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a vertical single-screw pump body, which belongs to the field of single-screw pumps and comprises a middle pipe, wherein an upper pump body and a lower pump body are respectively arranged at two ends of the middle pipe, connecting flanges are respectively arranged at one ends of the upper pump body and the lower pump body, which are close to the middle pipe, the upper pump body and the lower pump body are respectively connected with two ends of the middle pipe through the two connecting flanges, a discharge bin is arranged at one end of the upper pump body, which is far away from the middle pipe, a discharge hole is arranged at the middle position of the wall of the discharge bin, a first universal joint is arranged in a cavity of the discharge bin, which is close to the discharge hole, a stator flange is arranged at one end of the lower pump body, which is far away from the middle pipe, and a second universal joint is arranged at the middle position inside the lower pump body, which is close to one end of the stator flange, and is connected with a rotor. The utility model realizes the sectional production of the large single-screw pump body through the structure, reduces the manufacturing difficulty, and is convenient for disassembly, assembly and maintenance and universal adaptation.
Description
Technical Field
The utility model relates to the field of single-screw pumps, in particular to a pump body of a vertical single-screw pump.
Background
The large-scale vertical screw pump is widely applied in the industrial fields of petroleum, chemical industry, sewage treatment and the like, but the pump body of the large-scale vertical screw pump is generally longer at present, so the following defects exist:
1. the pump body is longer, and the rigidity requirement on the pump body material is higher, and the manufacturing difficulty is big.
2. The pump body is overlong and the transportation cost is high.
3. The pump body is welded integrally, and vulnerable parts such as rotor universal joints are arranged at different positions inside the pump body, so that the pump body needs to be assembled and disassembled integrally during daily maintenance and replacement, and maintenance is inconvenient.
4. The pump body is integrally produced, is only limited to single-screw pumps with single length, and cannot be universally adapted.
Disclosure of Invention
For the problems existing in the prior art, the pump body of the vertical single-screw pump can realize the sectional production of the single-screw pump body, reduce the manufacturing difficulty and the transportation difficulty, and is convenient for disassembly, assembly and maintenance and general adaptation.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the vertical single-screw pump body comprises a middle pipe, wherein an upper pump body and a lower pump body are respectively arranged at two ends of the middle pipe, connecting flanges are respectively arranged at one ends, close to the middle pipe, of the upper pump body and the lower pump body, and the upper pump body and the lower pump body are respectively connected with two ends of the middle pipe through the two connecting flanges;
a discharge bin is arranged at one end of the upper pump body, which is far away from the middle pipe, a discharge hole is arranged at the middle position of the bin wall of the discharge bin, a first universal joint is arranged in the discharge bin cavity and close to the discharge hole, and a mounting disc is arranged at one end of the discharge bin, which is close to the upper pump body;
the one end that the lower pump body kept away from the intermediate tube is equipped with the stator flange, the inside intermediate position of lower pump body installs the second universal joint, the second universal joint is close to stator flange one end is connected with the rotor.
Preferably, the length of the pump body can be achieved by exchanging said intermediate tube of different length.
Preferably, the total length of the pump body is at least 8m, and the total length of the upper pump body, the lower pump body and the middle pipe is at least 6m.
Preferably, the mounting plate, the stator flange and the connecting flange are all provided with reinforcing ribs.
The beneficial effects of the utility model are as follows:
1. the utility model adopts the multi-section combined pump body of the discharging bin, the upper pump body, the lower pump body and the middle pipe, the first universal joint, the second universal joint, the rotor and other vulnerable parts arranged in the pump body are respectively arranged in the discharging bin and the lower pump body, and when the vulnerable parts are damaged, the pump body at the position of the vulnerable parts can be independently disassembled for replacing and overhauling the vulnerable parts, thereby greatly improving the maintenance efficiency.
2. According to the utility model, the reinforcing ribs are arranged on the mounting plate, the stator flange and the connecting flange, so that the pump body is ensured to have enough strength to support and connect, and the integral strength of the pump body is improved.
3. When the pump body with different lengths is produced, only the middle pipe with different lengths is required to be assembled, so that the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a pump body of a vertical single screw pump;
fig. 2 is a cross-sectional view of a pump body of a vertical single screw pump.
In the figure: 1-discharge bin, 2-discharge port, 3-first universal joint, 4-mounting plate, 5-upper pump body, 6-middle pipe, 7-lower pump body, 8-second universal joint, 9-stator flange, 10-rotor, 11-strengthening rib, 12-flange.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
The vertical single-screw pump body shown in fig. 1-2 comprises a middle pipe 6, wherein the two ends of the middle pipe 6 are respectively provided with an upper pump body 5 and a lower pump body 7, one ends, close to the middle pipe 6, of the upper pump body 5 and the lower pump body 7 are respectively provided with a connecting flange 12, the upper pump body 5 and the lower pump body 7 are respectively connected with the two ends of the middle pipe 6 through the two connecting flanges 12, the pump body can be disassembled into three sections for transportation during transportation, the transportation cost is reduced, and when the pump bodies with different lengths are required to be produced, only the middle pipe 6 with different lengths can be produced.
The one end that goes up pump body 5 and keep away from intermediate tube 6 is equipped with discharge bin 1, is equipped with discharge gate 2 on the intermediate position of discharge bin 1 bin wall, and discharge bin 1 intracavity is close to discharge gate 2 department and installs first universal joint 3, can be with discharge bin 1 and keep away from intermediate tube 6 one end and dismantle alone when first universal joint 3 damages and change the maintenance.
Wherein the one end that discharge bin 1 is close to last pump body 5 is equipped with mounting disc 4, and the pump body passes through mounting disc 4 and leg joint, is used for fixed whole pump body.
The lower pump body 7 is provided with the stator flange 9 at one end far away from the middle pipe 6, the second universal joint 8 is arranged at the middle position inside the lower pump body 7, one end, close to the stator flange 9, of the second universal joint 8 is connected with the rotor 10, and when the rotor 10 or the second universal joint 8 is damaged, the lower pump body 11 can be detached independently to detach and overhaul the lower pump body.
Specifically, the length of the pump body can be realized by replacing the middle pipe 6 with different lengths, so that the pump body is not limited to single-screw pump with single length, and universal adaptation is realized.
The total length of the pump body is at least 8m, and the total length of the upper pump body 5, the lower pump body 7 and the middle pipe 6 is at least 6m.
Specifically, all be equipped with strengthening rib 11 on mounting disc 4, stator flange 9 and the flange 12, guaranteed that the pump body has sufficient intensity to support and connect.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.
Claims (4)
1. The vertical single-screw pump body is characterized by comprising a middle pipe, wherein an upper pump body and a lower pump body are respectively arranged at two ends of the middle pipe, connecting flanges are respectively arranged at one ends, close to the middle pipe, of the upper pump body and the lower pump body, and the upper pump body and the lower pump body are respectively connected with two ends of the middle pipe through the two connecting flanges;
a discharge bin is arranged at one end of the upper pump body, which is far away from the middle pipe, a discharge hole is arranged at the middle position of the bin wall of the discharge bin, a first universal joint is arranged in the discharge bin cavity and close to the discharge hole, and a mounting disc is arranged at one end of the discharge bin, which is close to the upper pump body;
the one end that the lower pump body kept away from the intermediate tube is equipped with the stator flange, the inside intermediate position of lower pump body installs the second universal joint, the second universal joint is close to stator flange one end is connected with the rotor.
2. A vertical single screw pump body according to claim 1, wherein the length of the pump body is achieved by replacing said intermediate tube of different length.
3. The vertical single screw pump body of claim 1, wherein the total length of the pump body is at least 8m, and the total length of the upper pump body, the lower pump body, and the intermediate tube is at least 6m.
4. The pump body of claim 1, wherein the mounting plate, the stator flange and the connecting flange are provided with reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322003610.4U CN220337064U (en) | 2023-07-28 | 2023-07-28 | Pump body of vertical single-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322003610.4U CN220337064U (en) | 2023-07-28 | 2023-07-28 | Pump body of vertical single-screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337064U true CN220337064U (en) | 2024-01-12 |
Family
ID=89457279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322003610.4U Active CN220337064U (en) | 2023-07-28 | 2023-07-28 | Pump body of vertical single-screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337064U (en) |
-
2023
- 2023-07-28 CN CN202322003610.4U patent/CN220337064U/en active Active
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| GR01 | Patent grant | ||
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